JPH0546367B2 - - Google Patents

Info

Publication number

JPH0546367B2

JPH0546367B2 JP4855884A JP4855884A JPH0546367B2 JP H0546367 B2 JPH0546367 B2 JP H0546367B2 JP 4855884 A JP4855884 A JP 4855884A JP 4855884 A JP4855884 A JP 4855884A JP H0546367 B2 JPH0546367 B2 JP H0546367B2

Authority

JP

Japan

Prior art keywords

polymerization

sulfite

ppm

salt

present

Prior art date

1984-03-14

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

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• 238000006116 polymerization reaction Methods 0.000 claims description 39
• 229910052751 metal Inorganic materials 0.000 claims description 16
• 239000002184 metal Substances 0.000 claims description 16
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 14
• 150000003839 salts Chemical class 0.000 claims description 14
• HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 10
• 239000002685 polymerization catalyst Substances 0.000 claims description 10
• 230000002378 acidificating effect Effects 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 9
• 239000007864 aqueous solution Substances 0.000 claims description 8
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
• 230000000977 initiatory effect Effects 0.000 claims description 6
• 230000000379 polymerizing effect Effects 0.000 claims description 6
• 229920002401 polyacrylamide Polymers 0.000 claims description 5
• QMYCJCOPYOPWTI-UHFFFAOYSA-N 2-[(1-amino-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidamide;hydron;chloride Chemical group Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N QMYCJCOPYOPWTI-UHFFFAOYSA-N 0.000 claims description 4
• 238000004519 manufacturing process Methods 0.000 claims description 4
• 229910017052 cobalt Inorganic materials 0.000 claims description 3
• 239000010941 cobalt Substances 0.000 claims description 3
• GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
• 229910052742 iron Inorganic materials 0.000 claims description 3
• WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
• 229920000642 polymer Polymers 0.000 description 12
• 239000000178 monomer Substances 0.000 description 9
• GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 6
• 235000010265 sodium sulphite Nutrition 0.000 description 3
• 239000000243 solution Substances 0.000 description 3
• OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
• 238000004220 aggregation Methods 0.000 description 2
• 230000002776 aggregation Effects 0.000 description 2
• 239000003054 catalyst Substances 0.000 description 2
• 230000000052 comparative effect Effects 0.000 description 2
• 229910001873 dinitrogen Inorganic materials 0.000 description 2
• 239000002245 particle Substances 0.000 description 2
• 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
• PFHOSZAOXCYAGJ-UHFFFAOYSA-N 2-[(2-cyano-4-methoxy-4-methylpentan-2-yl)diazenyl]-4-methoxy-2,4-dimethylpentanenitrile Chemical compound COC(C)(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)(C)OC PFHOSZAOXCYAGJ-UHFFFAOYSA-N 0.000 description 1
• KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 1
• 159000000021 acetate salts Chemical class 0.000 description 1
• 239000000654 additive Substances 0.000 description 1
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
• -1 azo compound Chemical class 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 150000003842 bromide salts Chemical class 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 150000003841 chloride salts Chemical class 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000001125 extrusion Methods 0.000 description 1
• 239000008187 granular material Substances 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 150000002739 metals Chemical class 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 150000002823 nitrates Chemical class 0.000 description 1
• 150000003891 oxalate salts Chemical class 0.000 description 1
• 239000001301 oxygen Substances 0.000 description 1
• 229910052760 oxygen Inorganic materials 0.000 description 1
• XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
• 159000000000 sodium salts Chemical class 0.000 description 1
• 239000000126 substance Substances 0.000 description 1